Further, having affirmed that he would be beholden to none of them, he got the contract to carry the United States mail, twice a week, from Kelterville up over Tarwater Mountain to Old Almaden--which was a sporadically worked quick-silver mine in the upland cattle country.
spindle. 1. a pin tapered at one end or both ends, or something with this shape. 2. the thin, tapering figure occurring during metaphase of cell division, composed of microtubules radiating from the centrioles and connecting to the chromosomes at their centromeres.
Sleep spindle. For other uses, see Spindle (disambiguation). A sleep spindle is a burst of oscillatory brain activity visible on an EEG that occurs during stage 2 sleep. It consists of 12â14 Hz waves that occur for at least 0.5 seconds. Sleep spindles are generated in the reticular nucleus of the thalamus.